[U-Boot-Users] [PATCH] Add support for Generic PHY in macb

[trimarchi at gandalf.sssup.it]

Quoting Michael Schwingen <rincewind at discworld.dascon.de>:

> trimarchi at gandalf.sssup.it wrote:
>> ... if I understand the physical address is latched during power on and
>> if the logic is not good maybe it can be latched a different addresss in
>> different session. I like somenthing that permits at software   
>> developer to easy
>> search for the physical address.
> The "mii info" command (without a PHY address as parameter) does
> exactly what you need:
>
> => mii info
> PHY 0x10: OUI = 0x5043, Model = 0x08, Rev = 0x07,  10baseT, HDX
> PHY 0x11: OUI = 0x5043, Model = 0x08, Rev = 0x07,  10baseT, HDX
> PHY 0x12: OUI = 0x5043, Model = 0x08, Rev = 0x07,  10baseT, HDX
> PHY 0x13: OUI = 0x5043, Model = 0x08, Rev = 0x07, 100baseT, FDX
> PHY 0x14: OUI = 0x5043, Model = 0x08, Rev = 0x07,  10baseT, HDX
> PHY 0x15: OUI = 0x0000, Model = 0x00, Rev = 0x00,  10baseT, HDX
> PHY 0x16: OUI = 0x0000, Model = 0x00, Rev = 0x00,  10baseT, HDX
> PHY 0x17: OUI = 0x0000, Model = 0x00, Rev = 0x00,  10baseT, HDX
> PHY 0x18: OUI = 0x0001, Model = 0x20, Rev = 0x02,  10baseT, HDX
> PHY 0x19: OUI = 0x0001, Model = 0x20, Rev = 0x02,  10baseT, HDX
> PHY 0x1A: OUI = 0x0001, Model = 0x20, Rev = 0x02,  10baseT, HDX
> PHY 0x1B: OUI = 0x0001, Model = 0x20, Rev = 0x02,  10baseT, HDX
> PHY 0x1C: OUI = 0x0001, Model = 0x20, Rev = 0x02,  10baseT, HDX
> PHY 0x1D: OUI = 0x0001, Model = 0x20, Rev = 0x02,  10baseT, HDX
> PHY 0x1E: OUI = 0x0000, Model = 0x00, Rev = 0x00,  10baseT, HDX
> PHY 0x1F: OUI = 0x0000, Model = 0x00, Rev = 0x00,  10baseT, HDX
>
> Now which of these should the autodetect code pick? (hint: 0x13 is
> wrong, even if it is the only one that shows a 100Mbps link). Also,
> this really is a board with working MDIO, with correct pullups, so no
> "ghost" PHYs in the list.

Ok, thanks

Regards Michael


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